2208 lines
57 KiB
C
2208 lines
57 KiB
C
/* Various declarations for language-independent pretty-print subroutines.
|
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Copyright (C) 2003-2018 Free Software Foundation, Inc.
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Contributed by Gabriel Dos Reis <gdr@integrable-solutions.net>
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "intl.h"
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#include "pretty-print.h"
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#include "diagnostic-color.h"
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#include "selftest.h"
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#if HAVE_ICONV
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#include <iconv.h>
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#endif
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#ifdef __MINGW32__
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/* Replacement for fputs() that handles ANSI escape codes on Windows NT.
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Contributed by: Liu Hao (lh_mouse at 126 dot com)
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XXX: This file is compiled into libcommon.a that will be self-contained.
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It looks like that these functions can be put nowhere else. */
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#include <io.h>
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#define WIN32_LEAN_AND_MEAN 1
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#include <windows.h>
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/* Write all bytes in [s,s+n) into the specified stream.
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Errors are ignored. */
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static void
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write_all (HANDLE h, const char *s, size_t n)
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||
{
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||
size_t rem = n;
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DWORD step;
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||
|
||
while (rem != 0)
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||
{
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||
if (rem <= UINT_MAX)
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step = rem;
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||
else
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||
step = UINT_MAX;
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||
if (!WriteFile (h, s + n - rem, step, &step, NULL))
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||
break;
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rem -= step;
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||
}
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||
}
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||
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/* Find the beginning of an escape sequence.
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There are two cases:
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1. If the sequence begins with an ESC character (0x1B) and a second
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character X in [0x40,0x5F], returns X and stores a pointer to
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the third character into *head.
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2. If the sequence begins with a character X in [0x80,0x9F], returns
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(X-0x40) and stores a pointer to the second character into *head.
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Stores the number of ESC character(s) in *prefix_len.
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Returns 0 if no such sequence can be found. */
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static int
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find_esc_head (int *prefix_len, const char **head, const char *str)
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{
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int c;
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const char *r = str;
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int escaped = 0;
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||
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for (;;)
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{
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c = (unsigned char) *r;
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if (c == 0)
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{
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/* Not found. */
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return 0;
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}
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if (escaped && 0x40 <= c && c <= 0x5F)
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{
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/* Found (case 1). */
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*prefix_len = 2;
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*head = r + 1;
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return c;
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}
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if (0x80 <= c && c <= 0x9F)
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{
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/* Found (case 2). */
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*prefix_len = 1;
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*head = r + 1;
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return c - 0x40;
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}
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++r;
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escaped = c == 0x1B;
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}
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}
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/* Find the terminator of an escape sequence.
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str should be the value stored in *head by a previous successful
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call to find_esc_head().
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Returns 0 if no such sequence can be found. */
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static int
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find_esc_terminator (const char **term, const char *str)
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{
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int c;
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const char *r = str;
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for (;;)
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{
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c = (unsigned char) *r;
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if (c == 0)
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{
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/* Not found. */
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return 0;
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}
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if (0x40 <= c && c <= 0x7E)
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{
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/* Found. */
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*term = r;
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return c;
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}
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++r;
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}
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}
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/* Handle a sequence of codes. Sequences that are invalid, reserved,
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unrecognized or unimplemented are ignored silently.
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There isn't much we can do because of lameness of Windows consoles. */
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static void
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eat_esc_sequence (HANDLE h, int esc_code,
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const char *esc_head, const char *esc_term)
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{
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/* Numbers in an escape sequence cannot be negative, because
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a minus sign in the middle of it would have terminated it. */
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long n1, n2;
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char *eptr, *delim;
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CONSOLE_SCREEN_BUFFER_INFO sb;
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COORD cr;
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/* ED and EL parameters. */
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DWORD cnt, step;
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long rows;
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/* SGR parameters. */
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WORD attrib_add, attrib_rm;
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const char *param;
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switch (MAKEWORD (esc_code, *esc_term))
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{
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/* ESC [ n1 'A'
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Move the cursor up by n1 characters. */
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case MAKEWORD ('[', 'A'):
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if (esc_head == esc_term)
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n1 = 1;
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else
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{
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n1 = strtol (esc_head, &eptr, 10);
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if (eptr != esc_term)
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break;
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}
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if (GetConsoleScreenBufferInfo (h, &sb))
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||
{
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cr = sb.dwCursorPosition;
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/* Stop at the topmost boundary. */
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if (cr.Y > n1)
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cr.Y -= n1;
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else
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cr.Y = 0;
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SetConsoleCursorPosition (h, cr);
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}
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break;
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/* ESC [ n1 'B'
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Move the cursor down by n1 characters. */
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case MAKEWORD ('[', 'B'):
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if (esc_head == esc_term)
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n1 = 1;
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else
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{
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n1 = strtol (esc_head, &eptr, 10);
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if (eptr != esc_term)
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break;
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}
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if (GetConsoleScreenBufferInfo (h, &sb))
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{
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cr = sb.dwCursorPosition;
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/* Stop at the bottommost boundary. */
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if (sb.dwSize.Y - cr.Y > n1)
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cr.Y += n1;
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else
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cr.Y = sb.dwSize.Y;
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SetConsoleCursorPosition (h, cr);
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}
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break;
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/* ESC [ n1 'C'
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Move the cursor right by n1 characters. */
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case MAKEWORD ('[', 'C'):
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if (esc_head == esc_term)
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n1 = 1;
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else
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{
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n1 = strtol (esc_head, &eptr, 10);
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if (eptr != esc_term)
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break;
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}
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if (GetConsoleScreenBufferInfo (h, &sb))
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{
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cr = sb.dwCursorPosition;
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/* Stop at the rightmost boundary. */
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if (sb.dwSize.X - cr.X > n1)
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cr.X += n1;
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else
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cr.X = sb.dwSize.X;
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SetConsoleCursorPosition (h, cr);
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}
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break;
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/* ESC [ n1 'D'
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Move the cursor left by n1 characters. */
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case MAKEWORD ('[', 'D'):
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if (esc_head == esc_term)
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n1 = 1;
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else
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{
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n1 = strtol (esc_head, &eptr, 10);
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if (eptr != esc_term)
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break;
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}
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if (GetConsoleScreenBufferInfo (h, &sb))
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||
{
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cr = sb.dwCursorPosition;
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/* Stop at the leftmost boundary. */
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if (cr.X > n1)
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cr.X -= n1;
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else
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cr.X = 0;
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SetConsoleCursorPosition (h, cr);
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}
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break;
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/* ESC [ n1 'E'
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Move the cursor to the beginning of the n1-th line downwards. */
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case MAKEWORD ('[', 'E'):
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if (esc_head == esc_term)
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n1 = 1;
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else
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{
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n1 = strtol (esc_head, &eptr, 10);
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if (eptr != esc_term)
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break;
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}
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if (GetConsoleScreenBufferInfo (h, &sb))
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{
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cr = sb.dwCursorPosition;
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cr.X = 0;
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/* Stop at the bottommost boundary. */
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if (sb.dwSize.Y - cr.Y > n1)
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cr.Y += n1;
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else
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cr.Y = sb.dwSize.Y;
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SetConsoleCursorPosition (h, cr);
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}
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break;
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/* ESC [ n1 'F'
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Move the cursor to the beginning of the n1-th line upwards. */
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case MAKEWORD ('[', 'F'):
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if (esc_head == esc_term)
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n1 = 1;
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else
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{
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n1 = strtol (esc_head, &eptr, 10);
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if (eptr != esc_term)
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break;
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||
}
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if (GetConsoleScreenBufferInfo (h, &sb))
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{
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cr = sb.dwCursorPosition;
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cr.X = 0;
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/* Stop at the topmost boundary. */
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if (cr.Y > n1)
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cr.Y -= n1;
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else
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cr.Y = 0;
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SetConsoleCursorPosition (h, cr);
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}
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break;
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||
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||
/* ESC [ n1 'G'
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Move the cursor to the (1-based) n1-th column. */
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||
case MAKEWORD ('[', 'G'):
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if (esc_head == esc_term)
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n1 = 1;
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||
else
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{
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||
n1 = strtol (esc_head, &eptr, 10);
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if (eptr != esc_term)
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||
break;
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||
}
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||
|
||
if (GetConsoleScreenBufferInfo (h, &sb))
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||
{
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cr = sb.dwCursorPosition;
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||
n1 -= 1;
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||
/* Stop at the leftmost or rightmost boundary. */
|
||
if (n1 < 0)
|
||
cr.X = 0;
|
||
else if (n1 > sb.dwSize.X)
|
||
cr.X = sb.dwSize.X;
|
||
else
|
||
cr.X = n1;
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||
SetConsoleCursorPosition (h, cr);
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||
}
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||
break;
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||
|
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/* ESC [ n1 ';' n2 'H'
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||
ESC [ n1 ';' n2 'f'
|
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Move the cursor to the (1-based) n1-th row and
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||
(also 1-based) n2-th column. */
|
||
case MAKEWORD ('[', 'H'):
|
||
case MAKEWORD ('[', 'f'):
|
||
if (esc_head == esc_term)
|
||
{
|
||
/* Both parameters are omitted and set to 1 by default. */
|
||
n1 = 1;
|
||
n2 = 1;
|
||
}
|
||
else if (!(delim = (char *) memchr (esc_head, ';',
|
||
esc_term - esc_head)))
|
||
{
|
||
/* Only the first parameter is given. The second one is
|
||
set to 1 by default. */
|
||
n1 = strtol (esc_head, &eptr, 10);
|
||
if (eptr != esc_term)
|
||
break;
|
||
n2 = 1;
|
||
}
|
||
else
|
||
{
|
||
/* Both parameters are given. The first one shall be
|
||
terminated by the semicolon. */
|
||
n1 = strtol (esc_head, &eptr, 10);
|
||
if (eptr != delim)
|
||
break;
|
||
n2 = strtol (delim + 1, &eptr, 10);
|
||
if (eptr != esc_term)
|
||
break;
|
||
}
|
||
|
||
if (GetConsoleScreenBufferInfo (h, &sb))
|
||
{
|
||
cr = sb.dwCursorPosition;
|
||
n1 -= 1;
|
||
n2 -= 1;
|
||
/* The cursor position shall be relative to the view coord of
|
||
the console window, which is usually smaller than the actual
|
||
buffer. FWIW, the 'appropriate' solution will be shrinking
|
||
the buffer to match the size of the console window,
|
||
destroying scrollback in the process. */
|
||
n1 += sb.srWindow.Top;
|
||
n2 += sb.srWindow.Left;
|
||
/* Stop at the topmost or bottommost boundary. */
|
||
if (n1 < 0)
|
||
cr.Y = 0;
|
||
else if (n1 > sb.dwSize.Y)
|
||
cr.Y = sb.dwSize.Y;
|
||
else
|
||
cr.Y = n1;
|
||
/* Stop at the leftmost or rightmost boundary. */
|
||
if (n2 < 0)
|
||
cr.X = 0;
|
||
else if (n2 > sb.dwSize.X)
|
||
cr.X = sb.dwSize.X;
|
||
else
|
||
cr.X = n2;
|
||
SetConsoleCursorPosition (h, cr);
|
||
}
|
||
break;
|
||
|
||
/* ESC [ n1 'J'
|
||
Erase display. */
|
||
case MAKEWORD ('[', 'J'):
|
||
if (esc_head == esc_term)
|
||
/* This is one of the very few codes whose parameters have
|
||
a default value of zero. */
|
||
n1 = 0;
|
||
else
|
||
{
|
||
n1 = strtol (esc_head, &eptr, 10);
|
||
if (eptr != esc_term)
|
||
break;
|
||
}
|
||
|
||
if (GetConsoleScreenBufferInfo (h, &sb))
|
||
{
|
||
/* The cursor is not necessarily in the console window, which
|
||
makes the behavior of this code harder to define. */
|
||
switch (n1)
|
||
{
|
||
case 0:
|
||
/* If the cursor is in or above the window, erase from
|
||
it to the bottom of the window; otherwise, do nothing. */
|
||
cr = sb.dwCursorPosition;
|
||
cnt = sb.dwSize.X - sb.dwCursorPosition.X;
|
||
rows = sb.srWindow.Bottom - sb.dwCursorPosition.Y;
|
||
break;
|
||
case 1:
|
||
/* If the cursor is in or under the window, erase from
|
||
it to the top of the window; otherwise, do nothing. */
|
||
cr.X = 0;
|
||
cr.Y = sb.srWindow.Top;
|
||
cnt = sb.dwCursorPosition.X + 1;
|
||
rows = sb.dwCursorPosition.Y - sb.srWindow.Top;
|
||
break;
|
||
case 2:
|
||
/* Erase the entire window. */
|
||
cr.X = sb.srWindow.Left;
|
||
cr.Y = sb.srWindow.Top;
|
||
cnt = 0;
|
||
rows = sb.srWindow.Bottom - sb.srWindow.Top + 1;
|
||
break;
|
||
default:
|
||
/* Erase the entire buffer. */
|
||
cr.X = 0;
|
||
cr.Y = 0;
|
||
cnt = 0;
|
||
rows = sb.dwSize.Y;
|
||
break;
|
||
}
|
||
if (rows < 0)
|
||
break;
|
||
cnt += rows * sb.dwSize.X;
|
||
FillConsoleOutputCharacterW (h, L' ', cnt, cr, &step);
|
||
FillConsoleOutputAttribute (h, sb.wAttributes, cnt, cr, &step);
|
||
}
|
||
break;
|
||
|
||
/* ESC [ n1 'K'
|
||
Erase line. */
|
||
case MAKEWORD ('[', 'K'):
|
||
if (esc_head == esc_term)
|
||
/* This is one of the very few codes whose parameters have
|
||
a default value of zero. */
|
||
n1 = 0;
|
||
else
|
||
{
|
||
n1 = strtol (esc_head, &eptr, 10);
|
||
if (eptr != esc_term)
|
||
break;
|
||
}
|
||
|
||
if (GetConsoleScreenBufferInfo (h, &sb))
|
||
{
|
||
switch (n1)
|
||
{
|
||
case 0:
|
||
/* Erase from the cursor to the end. */
|
||
cr = sb.dwCursorPosition;
|
||
cnt = sb.dwSize.X - sb.dwCursorPosition.X;
|
||
break;
|
||
case 1:
|
||
/* Erase from the cursor to the beginning. */
|
||
cr = sb.dwCursorPosition;
|
||
cr.X = 0;
|
||
cnt = sb.dwCursorPosition.X + 1;
|
||
break;
|
||
default:
|
||
/* Erase the entire line. */
|
||
cr = sb.dwCursorPosition;
|
||
cr.X = 0;
|
||
cnt = sb.dwSize.X;
|
||
break;
|
||
}
|
||
FillConsoleOutputCharacterW (h, L' ', cnt, cr, &step);
|
||
FillConsoleOutputAttribute (h, sb.wAttributes, cnt, cr, &step);
|
||
}
|
||
break;
|
||
|
||
/* ESC [ n1 ';' n2 'm'
|
||
Set SGR parameters. Zero or more parameters will follow. */
|
||
case MAKEWORD ('[', 'm'):
|
||
attrib_add = 0;
|
||
attrib_rm = 0;
|
||
if (esc_head == esc_term)
|
||
{
|
||
/* When no parameter is given, reset the console. */
|
||
attrib_add |= (FOREGROUND_RED | FOREGROUND_GREEN
|
||
| FOREGROUND_BLUE);
|
||
attrib_rm = -1; /* Removes everything. */
|
||
goto sgr_set_it;
|
||
}
|
||
param = esc_head;
|
||
do
|
||
{
|
||
/* Parse a parameter. */
|
||
n1 = strtol (param, &eptr, 10);
|
||
if (*eptr != ';' && eptr != esc_term)
|
||
goto sgr_set_it;
|
||
|
||
switch (n1)
|
||
{
|
||
case 0:
|
||
/* Reset. */
|
||
attrib_add |= (FOREGROUND_RED | FOREGROUND_GREEN
|
||
| FOREGROUND_BLUE);
|
||
attrib_rm = -1; /* Removes everything. */
|
||
break;
|
||
case 1:
|
||
/* Bold. */
|
||
attrib_add |= FOREGROUND_INTENSITY;
|
||
break;
|
||
case 4:
|
||
/* Underline. */
|
||
attrib_add |= COMMON_LVB_UNDERSCORE;
|
||
break;
|
||
case 5:
|
||
/* Blink. */
|
||
/* XXX: It is not BLINKING at all! */
|
||
attrib_add |= BACKGROUND_INTENSITY;
|
||
break;
|
||
case 7:
|
||
/* Reverse. */
|
||
attrib_add |= COMMON_LVB_REVERSE_VIDEO;
|
||
break;
|
||
case 22:
|
||
/* No bold. */
|
||
attrib_add &= ~FOREGROUND_INTENSITY;
|
||
attrib_rm |= FOREGROUND_INTENSITY;
|
||
break;
|
||
case 24:
|
||
/* No underline. */
|
||
attrib_add &= ~COMMON_LVB_UNDERSCORE;
|
||
attrib_rm |= COMMON_LVB_UNDERSCORE;
|
||
break;
|
||
case 25:
|
||
/* No blink. */
|
||
/* XXX: It is not BLINKING at all! */
|
||
attrib_add &= ~BACKGROUND_INTENSITY;
|
||
attrib_rm |= BACKGROUND_INTENSITY;
|
||
break;
|
||
case 27:
|
||
/* No reverse. */
|
||
attrib_add &= ~COMMON_LVB_REVERSE_VIDEO;
|
||
attrib_rm |= COMMON_LVB_REVERSE_VIDEO;
|
||
break;
|
||
case 30:
|
||
case 31:
|
||
case 32:
|
||
case 33:
|
||
case 34:
|
||
case 35:
|
||
case 36:
|
||
case 37:
|
||
/* Foreground color. */
|
||
attrib_add &= ~(FOREGROUND_RED | FOREGROUND_GREEN
|
||
| FOREGROUND_BLUE);
|
||
n1 -= 30;
|
||
if (n1 & 1)
|
||
attrib_add |= FOREGROUND_RED;
|
||
if (n1 & 2)
|
||
attrib_add |= FOREGROUND_GREEN;
|
||
if (n1 & 4)
|
||
attrib_add |= FOREGROUND_BLUE;
|
||
attrib_rm |= (FOREGROUND_RED | FOREGROUND_GREEN
|
||
| FOREGROUND_BLUE);
|
||
break;
|
||
case 38:
|
||
/* Reserved for extended foreground color.
|
||
Don't know how to handle parameters remaining.
|
||
Bail out. */
|
||
goto sgr_set_it;
|
||
case 39:
|
||
/* Reset foreground color. */
|
||
/* Set to grey. */
|
||
attrib_add |= (FOREGROUND_RED | FOREGROUND_GREEN
|
||
| FOREGROUND_BLUE);
|
||
attrib_rm |= (FOREGROUND_RED | FOREGROUND_GREEN
|
||
| FOREGROUND_BLUE);
|
||
break;
|
||
case 40:
|
||
case 41:
|
||
case 42:
|
||
case 43:
|
||
case 44:
|
||
case 45:
|
||
case 46:
|
||
case 47:
|
||
/* Background color. */
|
||
attrib_add &= ~(BACKGROUND_RED | BACKGROUND_GREEN
|
||
| BACKGROUND_BLUE);
|
||
n1 -= 40;
|
||
if (n1 & 1)
|
||
attrib_add |= BACKGROUND_RED;
|
||
if (n1 & 2)
|
||
attrib_add |= BACKGROUND_GREEN;
|
||
if (n1 & 4)
|
||
attrib_add |= BACKGROUND_BLUE;
|
||
attrib_rm |= (BACKGROUND_RED | BACKGROUND_GREEN
|
||
| BACKGROUND_BLUE);
|
||
break;
|
||
case 48:
|
||
/* Reserved for extended background color.
|
||
Don't know how to handle parameters remaining.
|
||
Bail out. */
|
||
goto sgr_set_it;
|
||
case 49:
|
||
/* Reset background color. */
|
||
/* Set to black. */
|
||
attrib_add &= ~(BACKGROUND_RED | BACKGROUND_GREEN
|
||
| BACKGROUND_BLUE);
|
||
attrib_rm |= (BACKGROUND_RED | BACKGROUND_GREEN
|
||
| BACKGROUND_BLUE);
|
||
break;
|
||
}
|
||
|
||
/* Prepare the next parameter. */
|
||
param = eptr + 1;
|
||
}
|
||
while (param != esc_term);
|
||
|
||
sgr_set_it:
|
||
/* 0xFFFF removes everything. If it is not the case,
|
||
care must be taken to preserve old attributes. */
|
||
if (attrib_rm != 0xFFFF && GetConsoleScreenBufferInfo (h, &sb))
|
||
{
|
||
attrib_add |= sb.wAttributes & ~attrib_rm;
|
||
}
|
||
SetConsoleTextAttribute (h, attrib_add);
|
||
break;
|
||
}
|
||
}
|
||
|
||
int
|
||
mingw_ansi_fputs (const char *str, FILE *fp)
|
||
{
|
||
const char *read = str;
|
||
HANDLE h;
|
||
DWORD mode;
|
||
int esc_code, prefix_len;
|
||
const char *esc_head, *esc_term;
|
||
|
||
h = (HANDLE) _get_osfhandle (_fileno (fp));
|
||
if (h == INVALID_HANDLE_VALUE)
|
||
return EOF;
|
||
|
||
/* Don't mess up stdio functions with Windows APIs. */
|
||
fflush (fp);
|
||
|
||
if (GetConsoleMode (h, &mode))
|
||
/* If it is a console, translate ANSI escape codes as needed. */
|
||
for (;;)
|
||
{
|
||
if ((esc_code = find_esc_head (&prefix_len, &esc_head, read)) == 0)
|
||
{
|
||
/* Write all remaining characters, then exit. */
|
||
write_all (h, read, strlen (read));
|
||
break;
|
||
}
|
||
if (find_esc_terminator (&esc_term, esc_head) == 0)
|
||
/* Ignore incomplete escape sequences at the moment.
|
||
FIXME: The escape state shall be cached for further calls
|
||
to this function. */
|
||
break;
|
||
write_all (h, read, esc_head - prefix_len - read);
|
||
eat_esc_sequence (h, esc_code, esc_head, esc_term);
|
||
read = esc_term + 1;
|
||
}
|
||
else
|
||
/* If it is not a console, write everything as-is. */
|
||
write_all (h, read, strlen (read));
|
||
|
||
_close ((intptr_t) h);
|
||
return 1;
|
||
}
|
||
|
||
#endif /* __MINGW32__ */
|
||
|
||
static void pp_quoted_string (pretty_printer *, const char *, size_t = -1);
|
||
|
||
/* Overwrite the given location/range within this text_info's rich_location.
|
||
For use e.g. when implementing "+" in client format decoders. */
|
||
|
||
void
|
||
text_info::set_location (unsigned int idx, location_t loc, bool show_caret_p)
|
||
{
|
||
gcc_checking_assert (m_richloc);
|
||
m_richloc->set_range (line_table, idx, loc, show_caret_p);
|
||
}
|
||
|
||
location_t
|
||
text_info::get_location (unsigned int index_of_location) const
|
||
{
|
||
gcc_checking_assert (m_richloc);
|
||
|
||
if (index_of_location == 0)
|
||
return m_richloc->get_loc ();
|
||
else
|
||
return UNKNOWN_LOCATION;
|
||
}
|
||
|
||
// Default construct an output buffer.
|
||
|
||
output_buffer::output_buffer ()
|
||
: formatted_obstack (),
|
||
chunk_obstack (),
|
||
obstack (&formatted_obstack),
|
||
cur_chunk_array (),
|
||
stream (stderr),
|
||
line_length (),
|
||
digit_buffer (),
|
||
flush_p (true)
|
||
{
|
||
obstack_init (&formatted_obstack);
|
||
obstack_init (&chunk_obstack);
|
||
}
|
||
|
||
// Release resources owned by an output buffer at the end of lifetime.
|
||
|
||
output_buffer::~output_buffer ()
|
||
{
|
||
obstack_free (&chunk_obstack, NULL);
|
||
obstack_free (&formatted_obstack, NULL);
|
||
}
|
||
|
||
|
||
/* Format an integer given by va_arg (ARG, type-specifier T) where
|
||
type-specifier is a precision modifier as indicated by PREC. F is
|
||
a string used to construct the appropriate format-specifier. */
|
||
#define pp_integer_with_precision(PP, ARG, PREC, T, F) \
|
||
do \
|
||
switch (PREC) \
|
||
{ \
|
||
case 0: \
|
||
pp_scalar (PP, "%" F, va_arg (ARG, T)); \
|
||
break; \
|
||
\
|
||
case 1: \
|
||
pp_scalar (PP, "%l" F, va_arg (ARG, long T)); \
|
||
break; \
|
||
\
|
||
case 2: \
|
||
pp_scalar (PP, "%" HOST_LONG_LONG_FORMAT F, va_arg (ARG, long long T)); \
|
||
break; \
|
||
\
|
||
default: \
|
||
break; \
|
||
} \
|
||
while (0)
|
||
|
||
|
||
/* Subroutine of pp_set_maximum_length. Set up PRETTY-PRINTER's
|
||
internal maximum characters per line. */
|
||
static void
|
||
pp_set_real_maximum_length (pretty_printer *pp)
|
||
{
|
||
/* If we're told not to wrap lines then do the obvious thing. In case
|
||
we'll emit prefix only once per message, it is appropriate
|
||
not to increase unnecessarily the line-length cut-off. */
|
||
if (!pp_is_wrapping_line (pp)
|
||
|| pp_prefixing_rule (pp) == DIAGNOSTICS_SHOW_PREFIX_ONCE
|
||
|| pp_prefixing_rule (pp) == DIAGNOSTICS_SHOW_PREFIX_NEVER)
|
||
pp->maximum_length = pp_line_cutoff (pp);
|
||
else
|
||
{
|
||
int prefix_length = pp->prefix ? strlen (pp->prefix) : 0;
|
||
/* If the prefix is ridiculously too long, output at least
|
||
32 characters. */
|
||
if (pp_line_cutoff (pp) - prefix_length < 32)
|
||
pp->maximum_length = pp_line_cutoff (pp) + 32;
|
||
else
|
||
pp->maximum_length = pp_line_cutoff (pp);
|
||
}
|
||
}
|
||
|
||
/* Clear PRETTY-PRINTER's output state. */
|
||
static inline void
|
||
pp_clear_state (pretty_printer *pp)
|
||
{
|
||
pp->emitted_prefix = false;
|
||
pp_indentation (pp) = 0;
|
||
}
|
||
|
||
/* Print X to PP in decimal. */
|
||
template<unsigned int N, typename T>
|
||
void
|
||
pp_wide_integer (pretty_printer *pp, const poly_int_pod<N, T> &x)
|
||
{
|
||
if (x.is_constant ())
|
||
pp_wide_integer (pp, x.coeffs[0]);
|
||
else
|
||
{
|
||
pp_left_bracket (pp);
|
||
for (unsigned int i = 0; i < N; ++i)
|
||
{
|
||
if (i != 0)
|
||
pp_comma (pp);
|
||
pp_wide_integer (pp, x.coeffs[i]);
|
||
}
|
||
pp_right_bracket (pp);
|
||
}
|
||
}
|
||
|
||
template void pp_wide_integer (pretty_printer *, const poly_uint16_pod &);
|
||
template void pp_wide_integer (pretty_printer *, const poly_int64_pod &);
|
||
template void pp_wide_integer (pretty_printer *, const poly_uint64_pod &);
|
||
|
||
/* Flush the formatted text of PRETTY-PRINTER onto the attached stream. */
|
||
void
|
||
pp_write_text_to_stream (pretty_printer *pp)
|
||
{
|
||
const char *text = pp_formatted_text (pp);
|
||
#ifdef __MINGW32__
|
||
mingw_ansi_fputs (text, pp_buffer (pp)->stream);
|
||
#else
|
||
fputs (text, pp_buffer (pp)->stream);
|
||
#endif
|
||
pp_clear_output_area (pp);
|
||
}
|
||
|
||
/* As pp_write_text_to_stream, but for GraphViz label output.
|
||
|
||
Flush the formatted text of pretty-printer PP onto the attached stream.
|
||
Replace characters in PPF that have special meaning in a GraphViz .dot
|
||
file.
|
||
|
||
This routine is not very fast, but it doesn't have to be as this is only
|
||
be used by routines dumping intermediate representations in graph form. */
|
||
|
||
void
|
||
pp_write_text_as_dot_label_to_stream (pretty_printer *pp, bool for_record)
|
||
{
|
||
const char *text = pp_formatted_text (pp);
|
||
const char *p = text;
|
||
FILE *fp = pp_buffer (pp)->stream;
|
||
|
||
for (;*p; p++)
|
||
{
|
||
bool escape_char;
|
||
switch (*p)
|
||
{
|
||
/* Print newlines as a left-aligned newline. */
|
||
case '\n':
|
||
fputs ("\\l", fp);
|
||
escape_char = true;
|
||
break;
|
||
|
||
/* The following characters are only special for record-shape nodes. */
|
||
case '|':
|
||
case '{':
|
||
case '}':
|
||
case '<':
|
||
case '>':
|
||
case ' ':
|
||
escape_char = for_record;
|
||
break;
|
||
|
||
/* The following characters always have to be escaped
|
||
for use in labels. */
|
||
case '\\':
|
||
/* There is a bug in some (f.i. 2.36.0) versions of graphiz
|
||
( http://www.graphviz.org/mantisbt/view.php?id=2524 ) related to
|
||
backslash as last char in label. Let's avoid triggering it. */
|
||
gcc_assert (*(p + 1) != '\0');
|
||
/* Fall through. */
|
||
case '"':
|
||
escape_char = true;
|
||
break;
|
||
|
||
default:
|
||
escape_char = false;
|
||
break;
|
||
}
|
||
|
||
if (escape_char)
|
||
fputc ('\\', fp);
|
||
|
||
fputc (*p, fp);
|
||
}
|
||
|
||
pp_clear_output_area (pp);
|
||
}
|
||
|
||
/* Wrap a text delimited by START and END into PRETTY-PRINTER. */
|
||
static void
|
||
pp_wrap_text (pretty_printer *pp, const char *start, const char *end)
|
||
{
|
||
bool wrapping_line = pp_is_wrapping_line (pp);
|
||
|
||
while (start != end)
|
||
{
|
||
/* Dump anything bordered by whitespaces. */
|
||
{
|
||
const char *p = start;
|
||
while (p != end && !ISBLANK (*p) && *p != '\n')
|
||
++p;
|
||
if (wrapping_line
|
||
&& p - start >= pp_remaining_character_count_for_line (pp))
|
||
pp_newline (pp);
|
||
pp_append_text (pp, start, p);
|
||
start = p;
|
||
}
|
||
|
||
if (start != end && ISBLANK (*start))
|
||
{
|
||
pp_space (pp);
|
||
++start;
|
||
}
|
||
if (start != end && *start == '\n')
|
||
{
|
||
pp_newline (pp);
|
||
++start;
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Same as pp_wrap_text but wrap text only when in line-wrapping mode. */
|
||
static inline void
|
||
pp_maybe_wrap_text (pretty_printer *pp, const char *start, const char *end)
|
||
{
|
||
if (pp_is_wrapping_line (pp))
|
||
pp_wrap_text (pp, start, end);
|
||
else
|
||
pp_append_text (pp, start, end);
|
||
}
|
||
|
||
/* Append to the output area of PRETTY-PRINTER a string specified by its
|
||
STARTing character and LENGTH. */
|
||
static inline void
|
||
pp_append_r (pretty_printer *pp, const char *start, int length)
|
||
{
|
||
output_buffer_append_r (pp_buffer (pp), start, length);
|
||
}
|
||
|
||
/* Insert enough spaces into the output area of PRETTY-PRINTER to bring
|
||
the column position to the current indentation level, assuming that a
|
||
newline has just been written to the buffer. */
|
||
void
|
||
pp_indent (pretty_printer *pp)
|
||
{
|
||
int n = pp_indentation (pp);
|
||
int i;
|
||
|
||
for (i = 0; i < n; ++i)
|
||
pp_space (pp);
|
||
}
|
||
|
||
/* The following format specifiers are recognized as being client independent:
|
||
%d, %i: (signed) integer in base ten.
|
||
%u: unsigned integer in base ten.
|
||
%o: unsigned integer in base eight.
|
||
%x: unsigned integer in base sixteen.
|
||
%ld, %li, %lo, %lu, %lx: long versions of the above.
|
||
%lld, %lli, %llo, %llu, %llx: long long versions.
|
||
%wd, %wi, %wo, %wu, %wx: HOST_WIDE_INT versions.
|
||
%c: character.
|
||
%s: string.
|
||
%p: pointer (printed in a host-dependent manner).
|
||
%r: if pp_show_color(pp), switch to color identified by const char *.
|
||
%R: if pp_show_color(pp), reset color.
|
||
%m: strerror(text->err_no) - does not consume a value from args_ptr.
|
||
%%: '%'.
|
||
%<: opening quote.
|
||
%>: closing quote.
|
||
%': apostrophe (should only be used in untranslated messages;
|
||
translations should use appropriate punctuation directly).
|
||
%.*s: a substring the length of which is specified by an argument
|
||
integer.
|
||
%Ns: likewise, but length specified as constant in the format string.
|
||
Flag 'q': quote formatted text (must come immediately after '%').
|
||
%Z: Requires two arguments - array of int, and len. Prints elements
|
||
of the array.
|
||
|
||
Arguments can be used sequentially, or through %N$ resp. *N$
|
||
notation Nth argument after the format string. If %N$ / *N$
|
||
notation is used, it must be used for all arguments, except %m, %%,
|
||
%<, %> and %', which may not have a number, as they do not consume
|
||
an argument. When %M$.*N$s is used, M must be N + 1. (This may
|
||
also be written %M$.*s, provided N is not otherwise used.) The
|
||
format string must have conversion specifiers with argument numbers
|
||
1 up to highest argument; each argument may only be used once.
|
||
A format string can have at most 30 arguments. */
|
||
|
||
/* Formatting phases 1 and 2: render TEXT->format_spec plus
|
||
TEXT->args_ptr into a series of chunks in pp_buffer (PP)->args[].
|
||
Phase 3 is in pp_output_formatted_text. */
|
||
|
||
void
|
||
pp_format (pretty_printer *pp, text_info *text)
|
||
{
|
||
output_buffer *buffer = pp_buffer (pp);
|
||
const char *p;
|
||
const char **args;
|
||
struct chunk_info *new_chunk_array;
|
||
|
||
unsigned int curarg = 0, chunk = 0, argno;
|
||
pp_wrapping_mode_t old_wrapping_mode;
|
||
bool any_unnumbered = false, any_numbered = false;
|
||
const char **formatters[PP_NL_ARGMAX];
|
||
|
||
/* Allocate a new chunk structure. */
|
||
new_chunk_array = XOBNEW (&buffer->chunk_obstack, struct chunk_info);
|
||
new_chunk_array->prev = buffer->cur_chunk_array;
|
||
buffer->cur_chunk_array = new_chunk_array;
|
||
args = new_chunk_array->args;
|
||
|
||
/* Formatting phase 1: split up TEXT->format_spec into chunks in
|
||
pp_buffer (PP)->args[]. Even-numbered chunks are to be output
|
||
verbatim, odd-numbered chunks are format specifiers.
|
||
%m, %%, %<, %>, and %' are replaced with the appropriate text at
|
||
this point. */
|
||
|
||
memset (formatters, 0, sizeof formatters);
|
||
|
||
for (p = text->format_spec; *p; )
|
||
{
|
||
while (*p != '\0' && *p != '%')
|
||
{
|
||
obstack_1grow (&buffer->chunk_obstack, *p);
|
||
p++;
|
||
}
|
||
|
||
if (*p == '\0')
|
||
break;
|
||
|
||
switch (*++p)
|
||
{
|
||
case '\0':
|
||
gcc_unreachable ();
|
||
|
||
case '%':
|
||
obstack_1grow (&buffer->chunk_obstack, '%');
|
||
p++;
|
||
continue;
|
||
|
||
case '<':
|
||
{
|
||
obstack_grow (&buffer->chunk_obstack,
|
||
open_quote, strlen (open_quote));
|
||
const char *colorstr
|
||
= colorize_start (pp_show_color (pp), "quote");
|
||
obstack_grow (&buffer->chunk_obstack, colorstr, strlen (colorstr));
|
||
p++;
|
||
continue;
|
||
}
|
||
|
||
case '>':
|
||
{
|
||
const char *colorstr = colorize_stop (pp_show_color (pp));
|
||
obstack_grow (&buffer->chunk_obstack, colorstr, strlen (colorstr));
|
||
}
|
||
/* FALLTHRU */
|
||
case '\'':
|
||
obstack_grow (&buffer->chunk_obstack,
|
||
close_quote, strlen (close_quote));
|
||
p++;
|
||
continue;
|
||
|
||
case 'R':
|
||
{
|
||
const char *colorstr = colorize_stop (pp_show_color (pp));
|
||
obstack_grow (&buffer->chunk_obstack, colorstr,
|
||
strlen (colorstr));
|
||
p++;
|
||
continue;
|
||
}
|
||
|
||
case 'm':
|
||
{
|
||
const char *errstr = xstrerror (text->err_no);
|
||
obstack_grow (&buffer->chunk_obstack, errstr, strlen (errstr));
|
||
}
|
||
p++;
|
||
continue;
|
||
|
||
default:
|
||
/* Handled in phase 2. Terminate the plain chunk here. */
|
||
obstack_1grow (&buffer->chunk_obstack, '\0');
|
||
gcc_assert (chunk < PP_NL_ARGMAX * 2);
|
||
args[chunk++] = XOBFINISH (&buffer->chunk_obstack, const char *);
|
||
break;
|
||
}
|
||
|
||
if (ISDIGIT (*p))
|
||
{
|
||
char *end;
|
||
argno = strtoul (p, &end, 10) - 1;
|
||
p = end;
|
||
gcc_assert (*p == '$');
|
||
p++;
|
||
|
||
any_numbered = true;
|
||
gcc_assert (!any_unnumbered);
|
||
}
|
||
else
|
||
{
|
||
argno = curarg++;
|
||
any_unnumbered = true;
|
||
gcc_assert (!any_numbered);
|
||
}
|
||
gcc_assert (argno < PP_NL_ARGMAX);
|
||
gcc_assert (!formatters[argno]);
|
||
formatters[argno] = &args[chunk];
|
||
do
|
||
{
|
||
obstack_1grow (&buffer->chunk_obstack, *p);
|
||
p++;
|
||
}
|
||
while (strchr ("qwl+#", p[-1]));
|
||
|
||
if (p[-1] == '.')
|
||
{
|
||
/* We handle '%.Ns' and '%.*s' or '%M$.*N$s'
|
||
(where M == N + 1). */
|
||
if (ISDIGIT (*p))
|
||
{
|
||
do
|
||
{
|
||
obstack_1grow (&buffer->chunk_obstack, *p);
|
||
p++;
|
||
}
|
||
while (ISDIGIT (p[-1]));
|
||
gcc_assert (p[-1] == 's');
|
||
}
|
||
else
|
||
{
|
||
gcc_assert (*p == '*');
|
||
obstack_1grow (&buffer->chunk_obstack, '*');
|
||
p++;
|
||
|
||
if (ISDIGIT (*p))
|
||
{
|
||
char *end;
|
||
unsigned int argno2 = strtoul (p, &end, 10) - 1;
|
||
p = end;
|
||
gcc_assert (argno2 == argno - 1);
|
||
gcc_assert (!any_unnumbered);
|
||
gcc_assert (*p == '$');
|
||
|
||
p++;
|
||
formatters[argno2] = formatters[argno];
|
||
}
|
||
else
|
||
{
|
||
gcc_assert (!any_numbered);
|
||
formatters[argno+1] = formatters[argno];
|
||
curarg++;
|
||
}
|
||
gcc_assert (*p == 's');
|
||
obstack_1grow (&buffer->chunk_obstack, 's');
|
||
p++;
|
||
}
|
||
}
|
||
if (*p == '\0')
|
||
break;
|
||
|
||
obstack_1grow (&buffer->chunk_obstack, '\0');
|
||
gcc_assert (chunk < PP_NL_ARGMAX * 2);
|
||
args[chunk++] = XOBFINISH (&buffer->chunk_obstack, const char *);
|
||
}
|
||
|
||
obstack_1grow (&buffer->chunk_obstack, '\0');
|
||
gcc_assert (chunk < PP_NL_ARGMAX * 2);
|
||
args[chunk++] = XOBFINISH (&buffer->chunk_obstack, const char *);
|
||
args[chunk] = 0;
|
||
|
||
/* Set output to the argument obstack, and switch line-wrapping and
|
||
prefixing off. */
|
||
buffer->obstack = &buffer->chunk_obstack;
|
||
old_wrapping_mode = pp_set_verbatim_wrapping (pp);
|
||
|
||
/* Second phase. Replace each formatter with the formatted text it
|
||
corresponds to. */
|
||
|
||
for (argno = 0; formatters[argno]; argno++)
|
||
{
|
||
int precision = 0;
|
||
bool wide = false;
|
||
bool plus = false;
|
||
bool hash = false;
|
||
bool quote = false;
|
||
|
||
/* We do not attempt to enforce any ordering on the modifier
|
||
characters. */
|
||
|
||
for (p = *formatters[argno];; p++)
|
||
{
|
||
switch (*p)
|
||
{
|
||
case 'q':
|
||
gcc_assert (!quote);
|
||
quote = true;
|
||
continue;
|
||
|
||
case '+':
|
||
gcc_assert (!plus);
|
||
plus = true;
|
||
continue;
|
||
|
||
case '#':
|
||
gcc_assert (!hash);
|
||
hash = true;
|
||
continue;
|
||
|
||
case 'w':
|
||
gcc_assert (!wide);
|
||
wide = true;
|
||
continue;
|
||
|
||
case 'l':
|
||
/* We don't support precision beyond that of "long long". */
|
||
gcc_assert (precision < 2);
|
||
precision++;
|
||
continue;
|
||
}
|
||
break;
|
||
}
|
||
|
||
gcc_assert (!wide || precision == 0);
|
||
|
||
if (quote)
|
||
pp_begin_quote (pp, pp_show_color (pp));
|
||
|
||
switch (*p)
|
||
{
|
||
case 'r':
|
||
pp_string (pp, colorize_start (pp_show_color (pp),
|
||
va_arg (*text->args_ptr,
|
||
const char *)));
|
||
break;
|
||
|
||
case 'c':
|
||
{
|
||
/* When quoting, print alphanumeric, punctuation, and the space
|
||
character unchanged, and all others in hexadecimal with the
|
||
"\x" prefix. Otherwise print them all unchanged. */
|
||
int chr = va_arg (*text->args_ptr, int);
|
||
if (ISPRINT (chr) || !quote)
|
||
pp_character (pp, chr);
|
||
else
|
||
{
|
||
const char str [2] = { chr, '\0' };
|
||
pp_quoted_string (pp, str, 1);
|
||
}
|
||
break;
|
||
}
|
||
|
||
case 'd':
|
||
case 'i':
|
||
if (wide)
|
||
pp_wide_integer (pp, va_arg (*text->args_ptr, HOST_WIDE_INT));
|
||
else
|
||
pp_integer_with_precision
|
||
(pp, *text->args_ptr, precision, int, "d");
|
||
break;
|
||
|
||
case 'o':
|
||
if (wide)
|
||
pp_scalar (pp, "%" HOST_WIDE_INT_PRINT "o",
|
||
va_arg (*text->args_ptr, unsigned HOST_WIDE_INT));
|
||
else
|
||
pp_integer_with_precision
|
||
(pp, *text->args_ptr, precision, unsigned, "o");
|
||
break;
|
||
|
||
case 's':
|
||
if (quote)
|
||
pp_quoted_string (pp, va_arg (*text->args_ptr, const char *));
|
||
else
|
||
pp_string (pp, va_arg (*text->args_ptr, const char *));
|
||
break;
|
||
|
||
case 'p':
|
||
pp_pointer (pp, va_arg (*text->args_ptr, void *));
|
||
break;
|
||
|
||
case 'u':
|
||
if (wide)
|
||
pp_scalar (pp, HOST_WIDE_INT_PRINT_UNSIGNED,
|
||
va_arg (*text->args_ptr, unsigned HOST_WIDE_INT));
|
||
else
|
||
pp_integer_with_precision
|
||
(pp, *text->args_ptr, precision, unsigned, "u");
|
||
break;
|
||
|
||
case 'Z':
|
||
{
|
||
int *v = va_arg (*text->args_ptr, int *);
|
||
unsigned len = va_arg (*text->args_ptr, unsigned);
|
||
|
||
for (unsigned i = 0; i < len; ++i)
|
||
{
|
||
pp_scalar (pp, "%i", v[i]);
|
||
if (i < len - 1)
|
||
{
|
||
pp_comma (pp);
|
||
pp_space (pp);
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
|
||
case 'x':
|
||
if (wide)
|
||
pp_scalar (pp, HOST_WIDE_INT_PRINT_HEX,
|
||
va_arg (*text->args_ptr, unsigned HOST_WIDE_INT));
|
||
else
|
||
pp_integer_with_precision
|
||
(pp, *text->args_ptr, precision, unsigned, "x");
|
||
break;
|
||
|
||
case '.':
|
||
{
|
||
int n;
|
||
const char *s;
|
||
|
||
/* We handle '%.Ns' and '%.*s' or '%M$.*N$s'
|
||
(where M == N + 1). The format string should be verified
|
||
already from the first phase. */
|
||
p++;
|
||
if (ISDIGIT (*p))
|
||
{
|
||
char *end;
|
||
n = strtoul (p, &end, 10);
|
||
p = end;
|
||
gcc_assert (*p == 's');
|
||
}
|
||
else
|
||
{
|
||
gcc_assert (*p == '*');
|
||
p++;
|
||
gcc_assert (*p == 's');
|
||
n = va_arg (*text->args_ptr, int);
|
||
|
||
/* This consumes a second entry in the formatters array. */
|
||
gcc_assert (formatters[argno] == formatters[argno+1]);
|
||
argno++;
|
||
}
|
||
|
||
s = va_arg (*text->args_ptr, const char *);
|
||
|
||
/* Append the lesser of precision and strlen (s) characters
|
||
from the array (which need not be a nul-terminated string).
|
||
Negative precision is treated as if it were omitted. */
|
||
size_t len = n < 0 ? strlen (s) : strnlen (s, n);
|
||
|
||
pp_append_text (pp, s, s + len);
|
||
}
|
||
break;
|
||
|
||
default:
|
||
{
|
||
bool ok;
|
||
|
||
/* Call the format decoder.
|
||
Pass the address of "quote" so that format decoders can
|
||
potentially disable printing of the closing quote
|
||
(e.g. when printing "'TYPEDEF' aka 'TYPE'" in the C family
|
||
of frontends). */
|
||
gcc_assert (pp_format_decoder (pp));
|
||
ok = pp_format_decoder (pp) (pp, text, p,
|
||
precision, wide, plus, hash, "e,
|
||
formatters[argno]);
|
||
gcc_assert (ok);
|
||
}
|
||
}
|
||
|
||
if (quote)
|
||
pp_end_quote (pp, pp_show_color (pp));
|
||
|
||
obstack_1grow (&buffer->chunk_obstack, '\0');
|
||
*formatters[argno] = XOBFINISH (&buffer->chunk_obstack, const char *);
|
||
}
|
||
|
||
if (CHECKING_P)
|
||
for (; argno < PP_NL_ARGMAX; argno++)
|
||
gcc_assert (!formatters[argno]);
|
||
|
||
/* If the client supplied a postprocessing object, call its "handle"
|
||
hook here. */
|
||
if (pp->m_format_postprocessor)
|
||
pp->m_format_postprocessor->handle (pp);
|
||
|
||
/* Revert to normal obstack and wrapping mode. */
|
||
buffer->obstack = &buffer->formatted_obstack;
|
||
buffer->line_length = 0;
|
||
pp_wrapping_mode (pp) = old_wrapping_mode;
|
||
pp_clear_state (pp);
|
||
}
|
||
|
||
/* Format of a message pointed to by TEXT. */
|
||
void
|
||
pp_output_formatted_text (pretty_printer *pp)
|
||
{
|
||
unsigned int chunk;
|
||
output_buffer *buffer = pp_buffer (pp);
|
||
struct chunk_info *chunk_array = buffer->cur_chunk_array;
|
||
const char **args = chunk_array->args;
|
||
|
||
gcc_assert (buffer->obstack == &buffer->formatted_obstack);
|
||
gcc_assert (buffer->line_length == 0);
|
||
|
||
/* This is a third phase, first 2 phases done in pp_format_args.
|
||
Now we actually print it. */
|
||
for (chunk = 0; args[chunk]; chunk++)
|
||
pp_string (pp, args[chunk]);
|
||
|
||
/* Deallocate the chunk structure and everything after it (i.e. the
|
||
associated series of formatted strings). */
|
||
buffer->cur_chunk_array = chunk_array->prev;
|
||
obstack_free (&buffer->chunk_obstack, chunk_array);
|
||
}
|
||
|
||
/* Helper subroutine of output_verbatim and verbatim. Do the appropriate
|
||
settings needed by BUFFER for a verbatim formatting. */
|
||
void
|
||
pp_format_verbatim (pretty_printer *pp, text_info *text)
|
||
{
|
||
/* Set verbatim mode. */
|
||
pp_wrapping_mode_t oldmode = pp_set_verbatim_wrapping (pp);
|
||
|
||
/* Do the actual formatting. */
|
||
pp_format (pp, text);
|
||
pp_output_formatted_text (pp);
|
||
|
||
/* Restore previous settings. */
|
||
pp_wrapping_mode (pp) = oldmode;
|
||
}
|
||
|
||
/* Flush the content of BUFFER onto the attached stream. This
|
||
function does nothing unless pp->output_buffer->flush_p. */
|
||
void
|
||
pp_flush (pretty_printer *pp)
|
||
{
|
||
pp_clear_state (pp);
|
||
if (!pp->buffer->flush_p)
|
||
return;
|
||
pp_write_text_to_stream (pp);
|
||
fflush (pp_buffer (pp)->stream);
|
||
}
|
||
|
||
/* Flush the content of BUFFER onto the attached stream independently
|
||
of the value of pp->output_buffer->flush_p. */
|
||
void
|
||
pp_really_flush (pretty_printer *pp)
|
||
{
|
||
pp_clear_state (pp);
|
||
pp_write_text_to_stream (pp);
|
||
fflush (pp_buffer (pp)->stream);
|
||
}
|
||
|
||
/* Sets the number of maximum characters per line PRETTY-PRINTER can
|
||
output in line-wrapping mode. A LENGTH value 0 suppresses
|
||
line-wrapping. */
|
||
void
|
||
pp_set_line_maximum_length (pretty_printer *pp, int length)
|
||
{
|
||
pp_line_cutoff (pp) = length;
|
||
pp_set_real_maximum_length (pp);
|
||
}
|
||
|
||
/* Clear PRETTY-PRINTER output area text info. */
|
||
void
|
||
pp_clear_output_area (pretty_printer *pp)
|
||
{
|
||
obstack_free (pp_buffer (pp)->obstack,
|
||
obstack_base (pp_buffer (pp)->obstack));
|
||
pp_buffer (pp)->line_length = 0;
|
||
}
|
||
|
||
/* Set PREFIX for PRETTY-PRINTER. */
|
||
void
|
||
pp_set_prefix (pretty_printer *pp, const char *prefix)
|
||
{
|
||
pp->prefix = prefix;
|
||
pp_set_real_maximum_length (pp);
|
||
pp->emitted_prefix = false;
|
||
pp_indentation (pp) = 0;
|
||
}
|
||
|
||
/* Free PRETTY-PRINTER's prefix, a previously malloc()'d string. */
|
||
void
|
||
pp_destroy_prefix (pretty_printer *pp)
|
||
{
|
||
if (pp->prefix != NULL)
|
||
{
|
||
free (CONST_CAST (char *, pp->prefix));
|
||
pp->prefix = NULL;
|
||
}
|
||
}
|
||
|
||
/* Write out PRETTY-PRINTER's prefix. */
|
||
void
|
||
pp_emit_prefix (pretty_printer *pp)
|
||
{
|
||
if (pp->prefix != NULL)
|
||
{
|
||
switch (pp_prefixing_rule (pp))
|
||
{
|
||
default:
|
||
case DIAGNOSTICS_SHOW_PREFIX_NEVER:
|
||
break;
|
||
|
||
case DIAGNOSTICS_SHOW_PREFIX_ONCE:
|
||
if (pp->emitted_prefix)
|
||
{
|
||
pp_indent (pp);
|
||
break;
|
||
}
|
||
pp_indentation (pp) += 3;
|
||
/* Fall through. */
|
||
|
||
case DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE:
|
||
{
|
||
int prefix_length = strlen (pp->prefix);
|
||
pp_append_r (pp, pp->prefix, prefix_length);
|
||
pp->emitted_prefix = true;
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Construct a PRETTY-PRINTER with PREFIX and of MAXIMUM_LENGTH
|
||
characters per line. */
|
||
|
||
pretty_printer::pretty_printer (const char *p, int l)
|
||
: buffer (new (XCNEW (output_buffer)) output_buffer ()),
|
||
prefix (),
|
||
padding (pp_none),
|
||
maximum_length (),
|
||
indent_skip (),
|
||
wrapping (),
|
||
format_decoder (),
|
||
m_format_postprocessor (NULL),
|
||
emitted_prefix (),
|
||
need_newline (),
|
||
translate_identifiers (true),
|
||
show_color ()
|
||
{
|
||
pp_line_cutoff (this) = l;
|
||
/* By default, we emit prefixes once per message. */
|
||
pp_prefixing_rule (this) = DIAGNOSTICS_SHOW_PREFIX_ONCE;
|
||
pp_set_prefix (this, p);
|
||
}
|
||
|
||
pretty_printer::~pretty_printer ()
|
||
{
|
||
if (m_format_postprocessor)
|
||
delete m_format_postprocessor;
|
||
buffer->~output_buffer ();
|
||
XDELETE (buffer);
|
||
}
|
||
|
||
/* Append a string delimited by START and END to the output area of
|
||
PRETTY-PRINTER. No line wrapping is done. However, if beginning a
|
||
new line then emit PRETTY-PRINTER's prefix and skip any leading
|
||
whitespace if appropriate. The caller must ensure that it is
|
||
safe to do so. */
|
||
void
|
||
pp_append_text (pretty_printer *pp, const char *start, const char *end)
|
||
{
|
||
/* Emit prefix and skip whitespace if we're starting a new line. */
|
||
if (pp_buffer (pp)->line_length == 0)
|
||
{
|
||
pp_emit_prefix (pp);
|
||
if (pp_is_wrapping_line (pp))
|
||
while (start != end && *start == ' ')
|
||
++start;
|
||
}
|
||
pp_append_r (pp, start, end - start);
|
||
}
|
||
|
||
/* Finishes constructing a NULL-terminated character string representing
|
||
the PRETTY-PRINTED text. */
|
||
const char *
|
||
pp_formatted_text (pretty_printer *pp)
|
||
{
|
||
return output_buffer_formatted_text (pp_buffer (pp));
|
||
}
|
||
|
||
/* Return a pointer to the last character emitted in PRETTY-PRINTER's
|
||
output area. A NULL pointer means no character available. */
|
||
const char *
|
||
pp_last_position_in_text (const pretty_printer *pp)
|
||
{
|
||
return output_buffer_last_position_in_text (pp_buffer (pp));
|
||
}
|
||
|
||
/* Return the amount of characters PRETTY-PRINTER can accept to
|
||
make a full line. Meaningful only in line-wrapping mode. */
|
||
int
|
||
pp_remaining_character_count_for_line (pretty_printer *pp)
|
||
{
|
||
return pp->maximum_length - pp_buffer (pp)->line_length;
|
||
}
|
||
|
||
|
||
/* Format a message into BUFFER a la printf. */
|
||
void
|
||
pp_printf (pretty_printer *pp, const char *msg, ...)
|
||
{
|
||
text_info text;
|
||
va_list ap;
|
||
|
||
va_start (ap, msg);
|
||
text.err_no = errno;
|
||
text.args_ptr = ≈
|
||
text.format_spec = msg;
|
||
pp_format (pp, &text);
|
||
pp_output_formatted_text (pp);
|
||
va_end (ap);
|
||
}
|
||
|
||
|
||
/* Output MESSAGE verbatim into BUFFER. */
|
||
void
|
||
pp_verbatim (pretty_printer *pp, const char *msg, ...)
|
||
{
|
||
text_info text;
|
||
va_list ap;
|
||
|
||
va_start (ap, msg);
|
||
text.err_no = errno;
|
||
text.args_ptr = ≈
|
||
text.format_spec = msg;
|
||
pp_format_verbatim (pp, &text);
|
||
va_end (ap);
|
||
}
|
||
|
||
|
||
|
||
/* Have PRETTY-PRINTER start a new line. */
|
||
void
|
||
pp_newline (pretty_printer *pp)
|
||
{
|
||
obstack_1grow (pp_buffer (pp)->obstack, '\n');
|
||
pp_needs_newline (pp) = false;
|
||
pp_buffer (pp)->line_length = 0;
|
||
}
|
||
|
||
/* Have PRETTY-PRINTER add a CHARACTER. */
|
||
void
|
||
pp_character (pretty_printer *pp, int c)
|
||
{
|
||
if (pp_is_wrapping_line (pp)
|
||
&& pp_remaining_character_count_for_line (pp) <= 0)
|
||
{
|
||
pp_newline (pp);
|
||
if (ISSPACE (c))
|
||
return;
|
||
}
|
||
obstack_1grow (pp_buffer (pp)->obstack, c);
|
||
++pp_buffer (pp)->line_length;
|
||
}
|
||
|
||
/* Append a STRING to the output area of PRETTY-PRINTER; the STRING may
|
||
be line-wrapped if in appropriate mode. */
|
||
void
|
||
pp_string (pretty_printer *pp, const char *str)
|
||
{
|
||
gcc_checking_assert (str);
|
||
pp_maybe_wrap_text (pp, str, str + strlen (str));
|
||
}
|
||
|
||
/* Append the leading N characters of STRING to the output area of
|
||
PRETTY-PRINTER, quoting in hexadecimal non-printable characters.
|
||
Setting N = -1 is as if N were set to strlen (STRING). The STRING
|
||
may be line-wrapped if in appropriate mode. */
|
||
static void
|
||
pp_quoted_string (pretty_printer *pp, const char *str, size_t n /* = -1 */)
|
||
{
|
||
gcc_checking_assert (str);
|
||
|
||
const char *last = str;
|
||
const char *ps;
|
||
|
||
/* Compute the length if not specified. */
|
||
if (n == (size_t) -1)
|
||
n = strlen (str);
|
||
|
||
for (ps = str; n; ++ps, --n)
|
||
{
|
||
if (ISPRINT (*ps))
|
||
continue;
|
||
|
||
if (last < ps)
|
||
pp_maybe_wrap_text (pp, last, ps - 1);
|
||
|
||
/* Append the hexadecimal value of the character. Allocate a buffer
|
||
that's large enough for a 32-bit char plus the hex prefix. */
|
||
char buf [11];
|
||
int n = sprintf (buf, "\\x%02x", (unsigned char)*ps);
|
||
pp_maybe_wrap_text (pp, buf, buf + n);
|
||
last = ps + 1;
|
||
}
|
||
|
||
pp_maybe_wrap_text (pp, last, ps);
|
||
}
|
||
|
||
/* Maybe print out a whitespace if needed. */
|
||
|
||
void
|
||
pp_maybe_space (pretty_printer *pp)
|
||
{
|
||
if (pp->padding != pp_none)
|
||
{
|
||
pp_space (pp);
|
||
pp->padding = pp_none;
|
||
}
|
||
}
|
||
|
||
// Add a newline to the pretty printer PP and flush formatted text.
|
||
|
||
void
|
||
pp_newline_and_flush (pretty_printer *pp)
|
||
{
|
||
pp_newline (pp);
|
||
pp_flush (pp);
|
||
pp_needs_newline (pp) = false;
|
||
}
|
||
|
||
// Add a newline to the pretty printer PP, followed by indentation.
|
||
|
||
void
|
||
pp_newline_and_indent (pretty_printer *pp, int n)
|
||
{
|
||
pp_indentation (pp) += n;
|
||
pp_newline (pp);
|
||
pp_indent (pp);
|
||
pp_needs_newline (pp) = false;
|
||
}
|
||
|
||
// Add separator C, followed by a single whitespace.
|
||
|
||
void
|
||
pp_separate_with (pretty_printer *pp, char c)
|
||
{
|
||
pp_character (pp, c);
|
||
pp_space (pp);
|
||
}
|
||
|
||
/* Add a localized open quote, and if SHOW_COLOR is true, begin colorizing
|
||
using the "quote" color. */
|
||
|
||
void
|
||
pp_begin_quote (pretty_printer *pp, bool show_color)
|
||
{
|
||
pp_string (pp, open_quote);
|
||
pp_string (pp, colorize_start (show_color, "quote"));
|
||
}
|
||
|
||
/* If SHOW_COLOR is true, stop colorizing.
|
||
Add a localized close quote. */
|
||
|
||
void
|
||
pp_end_quote (pretty_printer *pp, bool show_color)
|
||
{
|
||
pp_string (pp, colorize_stop (show_color));
|
||
pp_string (pp, close_quote);
|
||
}
|
||
|
||
|
||
/* The string starting at P has LEN (at least 1) bytes left; if they
|
||
start with a valid UTF-8 sequence, return the length of that
|
||
sequence and set *VALUE to the value of that sequence, and
|
||
otherwise return 0 and set *VALUE to (unsigned int) -1. */
|
||
|
||
static int
|
||
decode_utf8_char (const unsigned char *p, size_t len, unsigned int *value)
|
||
{
|
||
unsigned int t = *p;
|
||
|
||
if (len == 0)
|
||
abort ();
|
||
if (t & 0x80)
|
||
{
|
||
size_t utf8_len = 0;
|
||
unsigned int ch;
|
||
size_t i;
|
||
for (t = *p; t & 0x80; t <<= 1)
|
||
utf8_len++;
|
||
|
||
if (utf8_len > len || utf8_len < 2 || utf8_len > 6)
|
||
{
|
||
*value = (unsigned int) -1;
|
||
return 0;
|
||
}
|
||
ch = *p & ((1 << (7 - utf8_len)) - 1);
|
||
for (i = 1; i < utf8_len; i++)
|
||
{
|
||
unsigned int u = p[i];
|
||
if ((u & 0xC0) != 0x80)
|
||
{
|
||
*value = (unsigned int) -1;
|
||
return 0;
|
||
}
|
||
ch = (ch << 6) | (u & 0x3F);
|
||
}
|
||
if ( (ch <= 0x7F && utf8_len > 1)
|
||
|| (ch <= 0x7FF && utf8_len > 2)
|
||
|| (ch <= 0xFFFF && utf8_len > 3)
|
||
|| (ch <= 0x1FFFFF && utf8_len > 4)
|
||
|| (ch <= 0x3FFFFFF && utf8_len > 5)
|
||
|| (ch >= 0xD800 && ch <= 0xDFFF))
|
||
{
|
||
*value = (unsigned int) -1;
|
||
return 0;
|
||
}
|
||
*value = ch;
|
||
return utf8_len;
|
||
}
|
||
else
|
||
{
|
||
*value = t;
|
||
return 1;
|
||
}
|
||
}
|
||
|
||
/* Allocator for identifier_to_locale and corresponding function to
|
||
free memory. */
|
||
|
||
void *(*identifier_to_locale_alloc) (size_t) = xmalloc;
|
||
void (*identifier_to_locale_free) (void *) = free;
|
||
|
||
/* Given IDENT, an identifier in the internal encoding, return a
|
||
version of IDENT suitable for diagnostics in the locale character
|
||
set: either IDENT itself, or a string, allocated using
|
||
identifier_to_locale_alloc, converted to the locale character set
|
||
and using escape sequences if not representable in the locale
|
||
character set or containing control characters or invalid byte
|
||
sequences. Existing backslashes in IDENT are not doubled, so the
|
||
result may not uniquely specify the contents of an arbitrary byte
|
||
sequence identifier. */
|
||
|
||
const char *
|
||
identifier_to_locale (const char *ident)
|
||
{
|
||
const unsigned char *uid = (const unsigned char *) ident;
|
||
size_t idlen = strlen (ident);
|
||
bool valid_printable_utf8 = true;
|
||
bool all_ascii = true;
|
||
size_t i;
|
||
|
||
for (i = 0; i < idlen;)
|
||
{
|
||
unsigned int c;
|
||
size_t utf8_len = decode_utf8_char (&uid[i], idlen - i, &c);
|
||
if (utf8_len == 0 || c <= 0x1F || (c >= 0x7F && c <= 0x9F))
|
||
{
|
||
valid_printable_utf8 = false;
|
||
break;
|
||
}
|
||
if (utf8_len > 1)
|
||
all_ascii = false;
|
||
i += utf8_len;
|
||
}
|
||
|
||
/* If IDENT contains invalid UTF-8 sequences (which may occur with
|
||
attributes putting arbitrary byte sequences in identifiers), or
|
||
control characters, we use octal escape sequences for all bytes
|
||
outside printable ASCII. */
|
||
if (!valid_printable_utf8)
|
||
{
|
||
char *ret = (char *) identifier_to_locale_alloc (4 * idlen + 1);
|
||
char *p = ret;
|
||
for (i = 0; i < idlen; i++)
|
||
{
|
||
if (uid[i] > 0x1F && uid[i] < 0x7F)
|
||
*p++ = uid[i];
|
||
else
|
||
{
|
||
sprintf (p, "\\%03o", uid[i]);
|
||
p += 4;
|
||
}
|
||
}
|
||
*p = 0;
|
||
return ret;
|
||
}
|
||
|
||
/* Otherwise, if it is valid printable ASCII, or printable UTF-8
|
||
with the locale character set being UTF-8, IDENT is used. */
|
||
if (all_ascii || locale_utf8)
|
||
return ident;
|
||
|
||
/* Otherwise IDENT is converted to the locale character set if
|
||
possible. */
|
||
#if defined ENABLE_NLS && defined HAVE_LANGINFO_CODESET && HAVE_ICONV
|
||
if (locale_encoding != NULL)
|
||
{
|
||
iconv_t cd = iconv_open (locale_encoding, "UTF-8");
|
||
bool conversion_ok = true;
|
||
char *ret = NULL;
|
||
if (cd != (iconv_t) -1)
|
||
{
|
||
size_t ret_alloc = 4 * idlen + 1;
|
||
for (;;)
|
||
{
|
||
/* Repeat the whole conversion process as needed with
|
||
larger buffers so non-reversible transformations can
|
||
always be detected. */
|
||
ICONV_CONST char *inbuf = CONST_CAST (char *, ident);
|
||
char *outbuf;
|
||
size_t inbytesleft = idlen;
|
||
size_t outbytesleft = ret_alloc - 1;
|
||
size_t iconv_ret;
|
||
|
||
ret = (char *) identifier_to_locale_alloc (ret_alloc);
|
||
outbuf = ret;
|
||
|
||
if (iconv (cd, 0, 0, 0, 0) == (size_t) -1)
|
||
{
|
||
conversion_ok = false;
|
||
break;
|
||
}
|
||
|
||
iconv_ret = iconv (cd, &inbuf, &inbytesleft,
|
||
&outbuf, &outbytesleft);
|
||
if (iconv_ret == (size_t) -1 || inbytesleft != 0)
|
||
{
|
||
if (errno == E2BIG)
|
||
{
|
||
ret_alloc *= 2;
|
||
identifier_to_locale_free (ret);
|
||
ret = NULL;
|
||
continue;
|
||
}
|
||
else
|
||
{
|
||
conversion_ok = false;
|
||
break;
|
||
}
|
||
}
|
||
else if (iconv_ret != 0)
|
||
{
|
||
conversion_ok = false;
|
||
break;
|
||
}
|
||
/* Return to initial shift state. */
|
||
if (iconv (cd, 0, 0, &outbuf, &outbytesleft) == (size_t) -1)
|
||
{
|
||
if (errno == E2BIG)
|
||
{
|
||
ret_alloc *= 2;
|
||
identifier_to_locale_free (ret);
|
||
ret = NULL;
|
||
continue;
|
||
}
|
||
else
|
||
{
|
||
conversion_ok = false;
|
||
break;
|
||
}
|
||
}
|
||
*outbuf = 0;
|
||
break;
|
||
}
|
||
iconv_close (cd);
|
||
if (conversion_ok)
|
||
return ret;
|
||
}
|
||
}
|
||
#endif
|
||
|
||
/* Otherwise, convert non-ASCII characters in IDENT to UCNs. */
|
||
{
|
||
char *ret = (char *) identifier_to_locale_alloc (10 * idlen + 1);
|
||
char *p = ret;
|
||
for (i = 0; i < idlen;)
|
||
{
|
||
unsigned int c;
|
||
size_t utf8_len = decode_utf8_char (&uid[i], idlen - i, &c);
|
||
if (utf8_len == 1)
|
||
*p++ = uid[i];
|
||
else
|
||
{
|
||
sprintf (p, "\\U%08x", c);
|
||
p += 10;
|
||
}
|
||
i += utf8_len;
|
||
}
|
||
*p = 0;
|
||
return ret;
|
||
}
|
||
}
|
||
|
||
#if CHECKING_P
|
||
|
||
namespace selftest {
|
||
|
||
/* Smoketest for pretty_printer. */
|
||
|
||
static void
|
||
test_basic_printing ()
|
||
{
|
||
pretty_printer pp;
|
||
pp_string (&pp, "hello");
|
||
pp_space (&pp);
|
||
pp_string (&pp, "world");
|
||
|
||
ASSERT_STREQ ("hello world", pp_formatted_text (&pp));
|
||
}
|
||
|
||
/* Helper function for testing pp_format.
|
||
Verify that pp_format (FMT, ...) followed by pp_output_formatted_text
|
||
prints EXPECTED, assuming that pp_show_color is SHOW_COLOR. */
|
||
|
||
static void
|
||
assert_pp_format_va (const location &loc, const char *expected,
|
||
bool show_color, const char *fmt, va_list *ap)
|
||
{
|
||
pretty_printer pp;
|
||
text_info ti;
|
||
rich_location rich_loc (line_table, UNKNOWN_LOCATION);
|
||
|
||
ti.format_spec = fmt;
|
||
ti.args_ptr = ap;
|
||
ti.err_no = 0;
|
||
ti.x_data = NULL;
|
||
ti.m_richloc = &rich_loc;
|
||
|
||
pp_show_color (&pp) = show_color;
|
||
pp_format (&pp, &ti);
|
||
pp_output_formatted_text (&pp);
|
||
ASSERT_STREQ_AT (loc, expected, pp_formatted_text (&pp));
|
||
}
|
||
|
||
/* Verify that pp_format (FMT, ...) followed by pp_output_formatted_text
|
||
prints EXPECTED, with show_color disabled. */
|
||
|
||
static void
|
||
assert_pp_format (const location &loc, const char *expected,
|
||
const char *fmt, ...)
|
||
{
|
||
va_list ap;
|
||
|
||
va_start (ap, fmt);
|
||
assert_pp_format_va (loc, expected, false, fmt, &ap);
|
||
va_end (ap);
|
||
}
|
||
|
||
/* As above, but with colorization enabled. */
|
||
|
||
static void
|
||
assert_pp_format_colored (const location &loc, const char *expected,
|
||
const char *fmt, ...)
|
||
{
|
||
/* The tests of colorization assume the default color scheme.
|
||
If GCC_COLORS is set, then the colors have potentially been
|
||
overridden; skip the test. */
|
||
if (getenv ("GCC_COLORS"))
|
||
return;
|
||
|
||
va_list ap;
|
||
|
||
va_start (ap, fmt);
|
||
assert_pp_format_va (loc, expected, true, fmt, &ap);
|
||
va_end (ap);
|
||
}
|
||
|
||
/* Helper function for calling testing pp_format,
|
||
by calling assert_pp_format with various numbers of arguments.
|
||
These exist mostly to avoid having to write SELFTEST_LOCATION
|
||
throughout test_pp_format. */
|
||
|
||
#define ASSERT_PP_FORMAT_1(EXPECTED, FMT, ARG1) \
|
||
SELFTEST_BEGIN_STMT \
|
||
assert_pp_format ((SELFTEST_LOCATION), (EXPECTED), (FMT), \
|
||
(ARG1)); \
|
||
SELFTEST_END_STMT
|
||
|
||
#define ASSERT_PP_FORMAT_2(EXPECTED, FMT, ARG1, ARG2) \
|
||
SELFTEST_BEGIN_STMT \
|
||
assert_pp_format ((SELFTEST_LOCATION), (EXPECTED), (FMT), \
|
||
(ARG1), (ARG2)); \
|
||
SELFTEST_END_STMT
|
||
|
||
#define ASSERT_PP_FORMAT_3(EXPECTED, FMT, ARG1, ARG2, ARG3) \
|
||
SELFTEST_BEGIN_STMT \
|
||
assert_pp_format ((SELFTEST_LOCATION), (EXPECTED), (FMT), \
|
||
(ARG1), (ARG2), (ARG3)); \
|
||
SELFTEST_END_STMT
|
||
|
||
/* Verify that pp_format works, for various format codes. */
|
||
|
||
static void
|
||
test_pp_format ()
|
||
{
|
||
/* Avoid introducing locale-specific differences in the results
|
||
by hardcoding open_quote and close_quote. */
|
||
const char *old_open_quote = open_quote;
|
||
const char *old_close_quote = close_quote;
|
||
open_quote = "`";
|
||
close_quote = "'";
|
||
|
||
/* Verify that plain text is passed through unchanged. */
|
||
assert_pp_format (SELFTEST_LOCATION, "unformatted", "unformatted");
|
||
|
||
/* Verify various individual format codes, in the order listed in the
|
||
comment for pp_format above. For each code, we append a second
|
||
argument with a known bit pattern (0x12345678), to ensure that we
|
||
are consuming arguments correctly. */
|
||
ASSERT_PP_FORMAT_2 ("-27 12345678", "%d %x", -27, 0x12345678);
|
||
ASSERT_PP_FORMAT_2 ("-5 12345678", "%i %x", -5, 0x12345678);
|
||
ASSERT_PP_FORMAT_2 ("10 12345678", "%u %x", 10, 0x12345678);
|
||
ASSERT_PP_FORMAT_2 ("17 12345678", "%o %x", 15, 0x12345678);
|
||
ASSERT_PP_FORMAT_2 ("cafebabe 12345678", "%x %x", 0xcafebabe, 0x12345678);
|
||
ASSERT_PP_FORMAT_2 ("-27 12345678", "%ld %x", (long)-27, 0x12345678);
|
||
ASSERT_PP_FORMAT_2 ("-5 12345678", "%li %x", (long)-5, 0x12345678);
|
||
ASSERT_PP_FORMAT_2 ("10 12345678", "%lu %x", (long)10, 0x12345678);
|
||
ASSERT_PP_FORMAT_2 ("17 12345678", "%lo %x", (long)15, 0x12345678);
|
||
ASSERT_PP_FORMAT_2 ("cafebabe 12345678", "%lx %x", (long)0xcafebabe,
|
||
0x12345678);
|
||
ASSERT_PP_FORMAT_2 ("-27 12345678", "%lld %x", (long long)-27, 0x12345678);
|
||
ASSERT_PP_FORMAT_2 ("-5 12345678", "%lli %x", (long long)-5, 0x12345678);
|
||
ASSERT_PP_FORMAT_2 ("10 12345678", "%llu %x", (long long)10, 0x12345678);
|
||
ASSERT_PP_FORMAT_2 ("17 12345678", "%llo %x", (long long)15, 0x12345678);
|
||
ASSERT_PP_FORMAT_2 ("cafebabe 12345678", "%llx %x", (long long)0xcafebabe,
|
||
0x12345678);
|
||
ASSERT_PP_FORMAT_2 ("-27 12345678", "%wd %x", (HOST_WIDE_INT)-27, 0x12345678);
|
||
ASSERT_PP_FORMAT_2 ("-5 12345678", "%wi %x", (HOST_WIDE_INT)-5, 0x12345678);
|
||
ASSERT_PP_FORMAT_2 ("10 12345678", "%wu %x", (unsigned HOST_WIDE_INT)10,
|
||
0x12345678);
|
||
ASSERT_PP_FORMAT_2 ("17 12345678", "%wo %x", (HOST_WIDE_INT)15, 0x12345678);
|
||
ASSERT_PP_FORMAT_2 ("0xcafebabe 12345678", "%wx %x", (HOST_WIDE_INT)0xcafebabe,
|
||
0x12345678);
|
||
ASSERT_PP_FORMAT_2 ("A 12345678", "%c %x", 'A', 0x12345678);
|
||
ASSERT_PP_FORMAT_2 ("hello world 12345678", "%s %x", "hello world",
|
||
0x12345678);
|
||
|
||
/* Not nul-terminated. */
|
||
char arr[5] = { '1', '2', '3', '4', '5' };
|
||
ASSERT_PP_FORMAT_3 ("123 12345678", "%.*s %x", 3, arr, 0x12345678);
|
||
ASSERT_PP_FORMAT_3 ("1234 12345678", "%.*s %x", -1, "1234", 0x12345678);
|
||
ASSERT_PP_FORMAT_3 ("12345 12345678", "%.*s %x", 7, "12345", 0x12345678);
|
||
|
||
/* We can't test for %p; the pointer is printed in an implementation-defined
|
||
manner. */
|
||
ASSERT_PP_FORMAT_2 ("normal colored normal 12345678",
|
||
"normal %rcolored%R normal %x",
|
||
"error", 0x12345678);
|
||
assert_pp_format_colored
|
||
(SELFTEST_LOCATION,
|
||
"normal \33[01;31m\33[Kcolored\33[m\33[K normal 12345678",
|
||
"normal %rcolored%R normal %x", "error", 0x12345678);
|
||
/* TODO:
|
||
%m: strerror(text->err_no) - does not consume a value from args_ptr. */
|
||
ASSERT_PP_FORMAT_1 ("% 12345678", "%% %x", 0x12345678);
|
||
ASSERT_PP_FORMAT_1 ("` 12345678", "%< %x", 0x12345678);
|
||
ASSERT_PP_FORMAT_1 ("' 12345678", "%> %x", 0x12345678);
|
||
ASSERT_PP_FORMAT_1 ("' 12345678", "%' %x", 0x12345678);
|
||
ASSERT_PP_FORMAT_3 ("abc 12345678", "%.*s %x", 3, "abcdef", 0x12345678);
|
||
ASSERT_PP_FORMAT_2 ("abc 12345678", "%.3s %x", "abcdef", 0x12345678);
|
||
|
||
/* Verify flag 'q'. */
|
||
ASSERT_PP_FORMAT_2 ("`foo' 12345678", "%qs %x", "foo", 0x12345678);
|
||
assert_pp_format_colored (SELFTEST_LOCATION,
|
||
"`\33[01m\33[Kfoo\33[m\33[K' 12345678", "%qs %x",
|
||
"foo", 0x12345678);
|
||
|
||
/* Verify %Z. */
|
||
int v[] = { 1, 2, 3 };
|
||
ASSERT_PP_FORMAT_3 ("1, 2, 3 12345678", "%Z %x", v, 3, 0x12345678);
|
||
|
||
int v2[] = { 0 };
|
||
ASSERT_PP_FORMAT_3 ("0 12345678", "%Z %x", v2, 1, 0x12345678);
|
||
|
||
/* Verify that combinations work, along with unformatted text. */
|
||
assert_pp_format (SELFTEST_LOCATION,
|
||
"the quick brown fox jumps over the lazy dog",
|
||
"the %s %s %s jumps over the %s %s",
|
||
"quick", "brown", "fox", "lazy", "dog");
|
||
assert_pp_format (SELFTEST_LOCATION, "item 3 of 7", "item %i of %i", 3, 7);
|
||
assert_pp_format (SELFTEST_LOCATION, "problem with `bar' at line 10",
|
||
"problem with %qs at line %i", "bar", 10);
|
||
|
||
/* Restore old values of open_quote and close_quote. */
|
||
open_quote = old_open_quote;
|
||
close_quote = old_close_quote;
|
||
}
|
||
|
||
/* Run all of the selftests within this file. */
|
||
|
||
void
|
||
pretty_print_c_tests ()
|
||
{
|
||
test_basic_printing ();
|
||
test_pp_format ();
|
||
}
|
||
|
||
} // namespace selftest
|
||
|
||
#endif /* CHECKING_P */
|